Photos X3 4X2

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X3 4x2. Х-2а/х+2 х-1/х-а 1. 2х(-х+1)-(3х+2)=х(1-2х). (Х2+1)*(х2+2х+3)=0. Х1+х2+х3= сигма1.
Х-2а/х+2 х-1/х-а 1. 2х(-х+1)-(3х+2)=х(1-2х). (Х2+1)*(х2+2х+3)=0. Х1+х2+х3= сигма1.